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Posted to github@arrow.apache.org by "nuno-faria (via GitHub)" <gi...@apache.org> on 2026/08/09 12:12:11 UTC

[PR] feat(parquet): Support negative ZSTD levels [arrow-rs]

nuno-faria opened a new pull request, #10601:
URL: https://github.com/apache/arrow-rs/pull/10601

   # Which issue does this PR close?
   
   - Closes #10560.
   
   # Rationale for this change
   
   Allow Parquet files to be compressed with negative ZSTD levels, which are allowed in `libzstd`.
   
   # What changes are included in this PR?
   
   The minimum ZSTD level allowed is now `-131072` (see the issue for more details).
   The `split_compression_string` function has also been updated to allow negative numbers.
   
   # Are these changes tested?
   
   Yes.
   
   # Are there any user-facing changes?
   
   Negative ZSTD levels are now accepted.


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Re: [PR] feat(parquet): Support negative ZSTD levels [arrow-rs]

Posted by "Jefffrey (via GitHub)" <gi...@apache.org>.
Jefffrey merged PR #10601:
URL: https://github.com/apache/arrow-rs/pull/10601


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Re: [PR] feat(parquet): Support negative ZSTD levels [arrow-rs]

Posted by "Jefffrey (via GitHub)" <gi...@apache.org>.
Jefffrey commented on PR #10601:
URL: https://github.com/apache/arrow-rs/pull/10601#issuecomment-5240177972

   thanks @nuno-faria 


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